Ceramium agardhianum Griffiths Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Ceramium species Ceramium deslongchampsii Name Homonyms Ceramium agardhianum Griffiths ex Harvey, 1841 Ceramium agardhianum Griffiths